<template>
  <div class="bg" v-if="show">
    <el-button @click="close" class="close">关闭</el-button>
    <div class="canvas" :style="{ width: canvasStyleData.width + 'px', height: canvasStyleData.height + 'px' }">
      <ComponentWrapper
        v-for="(item, index) in componentData"
        :key="index"
        :config="item"
      />
    </div>
  </div>
</template>

<script>
  import getStyle from '@/utils/style'
  import { mapState } from 'vuex'
  import ComponentWrapper from './ComponentWrapper'

  export default {
    model: {
      prop: 'show',
      event: 'change'
    },
    props: {
      show: {
        type: Boolean,
        default: false
      }
    },
    components: { ComponentWrapper },
    computed: mapState([
      'componentData',
      'canvasStyleData'
    ]),
    methods: {
      getStyle,

      close () {
        this.$emit('change', false)
      }
    }
  }
</script>

<style lang="scss" scoped>
.bg {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    background: rgb(0, 0, 0, .5);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: 20px;

    .canvas {
        background: #fff;
        position: relative;
    }

    .close {
        position: absolute;
        right: 20px;
        top: 20px;
    }
}
</style>
